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Movable antennas (MAs) have attracted significant attention in wireless communications due to their ability to reconfigure channel conditions by flexibly adjusting the antenna positions within a confined region. However, MA movement…

信号处理 · 电气工程与系统科学 2026-05-07 Jiaxuan Li , Weidong Mei , Changhao Liu , Zhi Chen , Boyu Ning , Rui Zhang

Six-dimensional movable antenna (6DMA) has been widely studied for capacity enhancement, but its potential for physical layer security (PLS) remains largely unexplored. By adjusting both three-dimensional (3D) positions and 3D rotations of…

系统与控制 · 电气工程与系统科学 2025-09-23 Yanzhi Qian , Jing Jiang , Jingze Ding , Xiaoshao Dan , Hongyun Chu

In complex urban environments, dynamic obstacles and multipath effects lead to significant link attenuation and pervasive coverage blind spots. Conventional approaches based on large-scale fixed antenna arrays and UAV trajectory…

信息论 · 计算机科学 2025-08-15 Kan Yu , Kaixuan Li , Xiaowu Liu , Qixun Zhang , Zhiyong Feng

This paper proposes a scheme for the envisioned sixth-generation (6G) ultra-massive Machine Type Communications(umMTC). In particular, wireless power transfer (WPT) assisted communication is deployed in non-orthogonal multiple access (NOMA)…

信号处理 · 电气工程与系统科学 2023-03-14 Shiyu Jiao , Fang Fang , Zhiguo Ding

It is well-known that the traditional transmit beamforming at a base station (BS) to manage interference in serving multiple users is effective only when the number of users is less than the number of transmit antennas at the BS.…

信息论 · 计算机科学 2017-08-29 Van-Dinh Nguyen , Hoang Duong Tuan , Trung Q. Duong , Oh-Soon Shin , H. Vincent Poor

In this paper, we apply angle-domain Doppler compensation for high-mobility wideband massive multi-input multi-output (MIMO) uplink transmission. The time-varying multipath channel is considered between high-speed terminal and static base…

信息论 · 计算机科学 2018-07-20 Wei Guo , Weile Zhang , Pengcheng Mu , Feifei Gao , Hai Lin

This letter proposes a hybrid mechanically and electronically tunable six-dimensional movable antenna (6DMA) base station (BS) architecture for future wireless communication networks. Such BS consists of multiple antenna arrays that are…

信息论 · 计算机科学 2026-01-21 Yuyan Zhou , Haocheng Hua , Jie Xu , Rui Zhang

Due to the large power consumption in RF-circuitry of massive MIMO systems, practically relevant performance measures such as energy efficiency or bandwidth efficiency are neither necessarily monotonous functions of the total transmit power…

信息论 · 计算机科学 2018-02-20 Ali Bereyhi , Saba Asaad , Ralf R. Müller

This paper studies a novel movable antenna (MA)-enhanced multiple-input multiple-output (MIMO) system to leverage the corresponding spatial degrees of freedom (DoFs) for improving the performance of wireless communications. We aim to…

信息论 · 计算机科学 2023-08-21 Xintai Chen , Biqian Feng , Yongpeng Wu , Derrick Wing Kwan Ng , Robert Schober

Movable antenna (MA) technology is a recent development that fully exploits the wireless channel spatial variation in a confined region by enabling local movement of the antenna. Specifically, the positions of antennas at the transmitter…

信息论 · 计算机科学 2024-03-26 Lipeng Zhu , Wenyan Ma , Rui Zhang

This paper presents a cost-effective and easily-deployable flexible-sector six-dimensional movable antenna (6DMA) architecture for future wireless communication networks, which enables flexible antenna configurations to match users' spatial…

信息论 · 计算机科学 2025-10-14 Xiaoming Shi , Yunli Li , Xiaodan Shao , Jie Xu , Rui Zhang

In this paper, a downlink communication system, in which a Base Station (BS) equipped with $M$ antennas communicates with $N$ users each equipped with $K$ receive antennas, is considered. An efficient suboptimum algorithm is proposed for…

信息论 · 计算机科学 2007-07-13 Alireza Bayesteh , Amir Keyvan Khandani

In this paper, we investigate a multi-user downlink multiple-input single-output (MISO) unmanned aerial vehicle (UAV) communication system, where a multi-antenna UAV is employed to serve multiple ground terminals. Unlike existing approaches…

信息论 · 计算机科学 2021-08-03 Yang Wang , Zhen Gao

Extremely large antenna array (ELAA) not only effectively enhances system communication performance but also improves the sensing capabilities of communication systems, making it one of the key enabling technologies in 6G wireless networks.…

信号处理 · 电气工程与系统科学 2025-06-03 Boyu Teng , Xiaojun Yuan , Rui Wang , Ying-Chang Liang

High-Dimensional and Incomplete matrices, which usually contain a large amount of valuable latent information, can be well represented by a Latent Factor Analysis model. The performance of an LFA model heavily rely on its optimization…

机器学习 · 计算机科学 2023-02-24 Jia Chen , Yixian Chun , Yuanyi Liu , Renyu Zhang , Yang Hu

In this paper, we investigate power efficient resource allocation algorithm design for multiuser wireless communication systems employing a full-duplex (FD) radio base station for serving multiple half-duplex (HD) downlink and uplink users…

信息论 · 计算机科学 2016-11-17 Yan Sun , Derrick Wing Kwan Ng , Robert Schober

This paper examines a CoMP system where multiple base-stations (BS) employ coordinated beamforming to serve multiple mobile-stations (MS). Under the dynamic point selection mode, each MS can be assigned to only one BS at any time. This work…

信息论 · 计算机科学 2016-11-09 Duy H. N. Nguyen , Long B. Le , Tho Le-Ngoc

This paper investigates a learning solution for robust beamforming optimization in downlink multi-user systems. A base station (BS) identifies efficient multi-antenna transmission strategies only with imperfect channel state information…

信息论 · 计算机科学 2021-03-03 Junbeom Kim , Hoon Lee , Seok-Hwan Park

In this paper, we investigate the power efficient resource allocation algorithm design for secure multiuser wireless communication systems employing a full-duplex (FD) base station (BS) for serving multiple half-duplex (HD) downlink (DL)…

信息论 · 计算机科学 2015-09-07 Yan Sun , Derrick Wing Kwan Ng , Jun Zhu , Robert Schober

Future wireless networks are expected to support increasingly high data rates and user densities, motivating advanced multi-antenna architectures capable of adapting to dynamic propagation environments. Movable antenna (MA) arrays have…

信号处理 · 电气工程与系统科学 2026-03-25 Amna Irshad , Emil Björnson , Alva Kosasih , Vitaly Petrov